package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 删除id为1的用户信息
 */
public class JDBCDemo4 {
    public static void main(String[] args) {
//        Class.forName("com.mysql.cj.jdbc.Driver");
//        Connection connection= DriverManager.getConnection("jdbc:mysql://localhost:3306/tedu?characterEncoding=utf8&useSSL=false&serverTimezone=Asia/Shanghai&rewriteBatchedStatements=true",
//                "root",
//                "root");
        try (Connection connection=DBUtil.getConnection()){

            Statement state=connection.createStatement();
            String sql="DELETE FROM userinfo WHERE id=1";
            int num=state.executeUpdate(sql);
            System.out.println(num>0?"修改成功":"修改失败");
        } catch (SQLException e) {
            throw new RuntimeException(e);
        }
    }
}
